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ai_helper.next_hop: add option to use pre-evaluated path

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mattsc 2019-11-27 16:41:59 -08:00
parent bb23781b17
commit 4e80a8f028
1 changed files with 9 additions and 3 deletions
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12
data/ai/lua/ai_helper.lua
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@ -1388,10 +1388,16 @@ function ai_helper.next_hop(unit, x, y, cfg)
-- viewing_side: see comments at beginning of this file. Defaults to side of @unit
-- plus:
-- ignore_own_units: if set to true, then own units that can move out of the way are ignored
-- path: if given, find the next hop along this path, rather than doing new path finding
-- In this case, it is assumed that the path is possible, in other words, that cost has been checked
local path, cost = ai_helper.find_path_with_shroud(unit, x, y, cfg)
if cost >= ai_helper.no_path then return nil, cost end
local path, cost
if cfg and cfg.path then
path = cfg.path
else
path, cost = ai_helper.find_path_with_shroud(unit, x, y, cfg)
if cost >= ai_helper.no_path then return nil, cost end
end
-- If none of the hexes are unoccupied, use current position as default
local next_hop, nh_cost = { unit.x, unit.y }, 0